<template>
  <div :class="className" :style="{ height: height, width: width }" />
</template>

<script>
import echarts from "echarts";
require("echarts/theme/macarons"); // echarts theme
import resize from "./mixins/resize";

const animationDuration = 6000;

export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: "chart"
    },
    width: {
      type: String,
      default: "100%"
    },
    height: {
      type: String,
      default: "500px"
    },

    chartData: {
      type: Object,
      required: function() {
        return {};
      }
    },
    chartDataName: {
      type: Array,
      required: function() {
        return [];
      }
    }
  },

  data() {
    return {
      chart: null
    };
  },
  watch: {
    chartData: {
      handler() {
        this.initChart();
      }
      // deep:true
    }
  },
  mounted() {
    // this.$nextTick(() => {
    //   this.initChart();
    // });
  },
  beforeDestroy() {
    if (!this.chart) {
      return;
    }
    this.chart.dispose();
    this.chart = null;
  },
  methods: {
    initChart() {
      this.chart = echarts.init(this.$el, "macarons");
      const chartData = this.chartData;
      // console.log("chartData :>> ", chartData);
      // console.log("chartDataName :>> ", this.chartDataName);
      const chartDataName = this.chartDataName;
      this.chart.setOption({
        tooltip: {
          trigger: "axis",
          axisPointer: {
            // 坐标轴指示器，坐标轴触发有效
            type: "shadow" // 默认为直线，可选为：'line' | 'shadow'
          }
        },
        legend: {
          data: ["出仓时效", "干线时效", "后端时效"]
        },
        grid: {
          top: 10,
          left: "2%",
          right: "2%",
          bottom: "3%",
          containLabel: true
        },
        xAxis: [
          {
            type: "category",
            data: chartDataName,
            axisTick: { show: false },
            axisLabel: { interval: 0, rotate: 90 }
          }
        ],

        yAxis: [
          {
            type: "value",
            axisTick: {
              show: false
            }
          }
        ],

        series: [
          {
            name: "出仓时效",
            type: "bar",
            stack: "vistors",
            barWidth: "60%",
            data: chartData.outTimeliness,
            animationDuration
          },
          {
            name: "干线时效",
            type: "bar",
            stack: "vistors",
            barWidth: "60%",
            data: chartData.arterySizeTimeliness,
            animationDuration
          },
          {
            name: "后端时效",
            type: "bar",
            stack: "vistors",
            barWidth: "60%",
            data: chartData.afterTimeliness,
            animationDuration
          }
        ]
      });
    }
  }
};
</script>
